Finding the Fourth Proportional to 1,343,013.17, 1,853,369.36 and 731,170.14
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Solution
The fourth proportional to 1,343,013.17, 1,853,369.36 and 731,170.14 is: 1,009,020.88
Step by Step Solution
- Step 1: Write the proportion equation
1,343,013.17 : 1,853,369.36 = 731,170.14 : x - Step 2: Convert to fraction form
1,343,013.17/1,853,369.36 = 731,170.14/x - Step 3: Cross multiply
1,343,013.17x = 1,853,369.36 × 731,170.14 - Step 4: Simplify right side
1,343,013.17x = 1,355,128,330,767.06 - Step 5: Solve for x
x = 1,355,128,330,767.06/1,343,013.17 - Step 6: Final answer
x = 1,009,020.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.